Home / 27,388-37,795.46-14,812.76

Finding the Fourth Proportional to 27,388, 37,795.46 and 14,812.76

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Solution

The fourth proportional to 27,388, 37,795.46 and 14,812.76 is: 20,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388 : 37,795.46 = 14,812.76 : x
  2. Step 2: Convert to fraction form
    27,388/37,795.46 = 14,812.76/x
  3. Step 3: Cross multiply
    27,388x = 37,795.46 × 14,812.76
  4. Step 4: Simplify right side
    27,388x = 559,855,078.07
  5. Step 5: Solve for x
    x = 559,855,078.07/27,388
  6. Step 6: Final answer
    x = 20,441.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.